Categorygithub.com/szhou12/leetcode-goleetcode0657-Robot-Return-to-Origin
package
0.0.0-20241220224003-b7cf03a90b2b
Repository: https://github.com/szhou12/leetcode-go.git
Documentation: pkg.go.dev
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Dependencies
0
Dependents
0

# README

657. Robot Return to Origin

Solution idea

  • 简单题. 对称相消就行了.
    • U 与 D 对称，一对相消
    • L 与 R 对称，一对相消

Time complexity = $O(n)$